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Thread: 2019 RAM 3500 - Cold Engine Rattling Noise

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    CanadianBacon's Avatar

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    2019 RAM 3500 - Cold Engine Rattling Noise

    I've got the new 2019, got about 4000km on it.

    Since new when the engine is cold in the morning, it makes a strange light rattle noise under acceleration, it goes away once the engine gets to temp.

    I haven't thought much of it as my other types of diesel all had their cold noises, but it's getting more and more noticeable as the mornings are getting cooler.

    It could just be because the engine is so damn quiet that I'm noticing small things.

    Just wondering if anyone else is noticing this.

    It seems to be coming from the passenger side, just on the engine side of the firewall.

    Also, to note, my truck idles at least a few minutes before I drive every day.

    The sound goes away within 5 minutes of driving it.


    Black on Black- 2019 Ram 3500 Laramie 4X4, CC, Long Box, Dually, Aisin Trans, 4.10 Gears, 3.5 inch Carli Suspension System, 35" Nitto Ridge Grapplers on 20" Fuel Cleaver Dually Rims


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    Daily Grinding! RamIt's Avatar

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    2019 RAM 3500 - Cold Engine Rattling Noise

    Mine rattles at idle cold or warm.

    It sounds like it is coming from the radiator fan.

    Goes away above ~1100rpm.

    I think it's the CP4, but I'm not sure.


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    CanadianBacon's Avatar

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    2019 RAM 3500 - Cold Engine Rattling Noise

    Mine doesn't make the noise till i hit 1500rpm; it goes away again at 1800.

    I forgot to mention that.

    It doesn't make the noise at low rpm or idle.


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    1st&5thCummins's Avatar

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    2019 RAM 3500 - Cold Engine Rattling Noise

    Mine rattled quite a bit just removed a few things, and it stopped doing it.


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    6.7h.o.'s Avatar

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    Re: 2019 RAM 3500 - Cold Engine Rattling Noise

    My 2019 rattled like crazy it was a standard output 2500, and my 21 sounds just the same LOL, maybe a little quieter with the different pump.

    I worried and worried on my 19, but I always kept it maintained well.

    I never missed a lick


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